The idea is that first a project, idea or problem is created.
Then these are voted on, until one becomes important enough to become a 'request'.
Once a request exists, it's light a beacon to ask someone to help it.
People can them submit Solutions, which also get voted on.
Once a solution is accepted, it becomes a simpler 'solved' leaf.

Concept

Moodboards
It would be really useful to have moodboards, as in collections of related imagery, links etc. Presented as something you can glance at and understand someones direction, in the interface itself.

Lifecycle
The idea is that first a project, idea or problem is created.
Then these are voted on, until one becomes important enough to become a 'request'.
Once a request exists, it's light a beacon to ask someone to help it.
People can them submit Solutions, which also get voted on.
Once a solution is accepted, it becomes a simpler 'solved' leaf.